Chemistry Homework Help: Answers & Questions Page 82

• How does scientific notation work?

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• Which element has a higher 3rd ionization energy, Al or Mg? Why?

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• A carbon isotope consists of 6 protons, 6 electrons and 8 neutrons, what is the mass number?

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• How is Le Chatelier's principle used to treat CO poisoning?

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• What is atomic number of gold?

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• Which compound, HBr, HF, HCl, or HI, exhibits hydrogen bonding between its molecules?

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• How to draw overlapping of pure or hybridized orbitals for Br2 and NO+? Explain the need for the orbital of an atom to hybridized based on the Lewis structures

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• If you want to prepare a 0.200 M solution of magnesium sulfate from the heptahydrate, MgSO4*7H2O, how many grams would you weigh out to make a 2500.0 mL solution? (Molar masses: MgSO4 120.30 g/mol; H2O 18.02 g/mol)

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• How can I classify metalloids?

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• Write a balanced equation for copper 2 sulfate with sodium carbonate to produce copper 2 carbonate and sodium sulfate. Can you please help me?

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• What does Radical, R, mean in this picture? thanks

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• How are quantitative and qualitative observations different?

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• What are the 5 states of matter?

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• Is the Avogadro's law the same as the Avogadro's hypothesis?

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• Calculate the wavelength of the spectral line in Lyman series corresponding to n2=3?

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• How do you balance acid base reactions?

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• What is the balanced chemical equation for C8H18+O2 = CO2+H2O?

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• Sodium thiosulfate is a hydrated compound containing five water molecules. calculate the amount of hydrated sodium thiosulfate necessary to make 500ml of 0.025M solution (remember that the water molecules are included in the molecular weight)?

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• What is the vsepr model for CH2O?

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• Solid lithium hydroxide is used in space vehicles to remove exhaled carbon dioxide from the living environment. The products are solid lithium carbonate and liquid water. What mass of gaseous carbon dioxide can 1.00 x 10^3 g of lithium hydroxide absorb?

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• What distinguishes ionization, dissociation, and dissolution?

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• Give the action of the Clemmensen reduction on 2-butenal?

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• How do you convert milliliters to liters?

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• What is the disproportionation reaction of ##MgCl##?

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• What would the nuclear equation be for the beta-decay of strontium-90?

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• How is spectroscopy used?

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• What happens in a chemical reaction?

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• How is dynamic equilibrium related to vapor pressure?

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• An ammonia solution is 6.00 M and the density is 0.950 g/mL. What is the mass/mass percent concentration of ##"NH"_3## (17.04 g/mol)? Thank you

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• What is the chemical symbol for magnesium?

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• How does a Diels Alder reaction work?

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• Why noble gases are non-reactive?

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• What is the lattice energy?

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• What's the difference been molecular shape and molecular geometry?

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• How is fluorine the most reactive in non metals?

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• How can I draw a possible structure of C2H4?

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• Calculate maximum concentration of silver ion in a solution that contains 0.025 M of CO3^2- , the ksp of Ag2CO3 is 8.1x10^-12 ?

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• Why does a basketball bounce differently inside a gym than it does outside on a cold day?

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• What are good conductors and define the bad conductors with examples?

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• The melting point of lead is 327 °C. What is this temperature on the Kelvin scale?

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• How do you draw a general titration curve for titrating a weak acid with a strong base (let ph of equivalent point be 9.00)?

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• How do you convert grams to kilograms?

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• How to find out the no. of protons, neutrons and electrons in the species CO and NO+, and lithium fluoride? Is there a specfic formula to calculate? cos I only understand how to calculate the no. of subatomic particles in an element.

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• Write complete mechanism of dehydration of 2-methyl-1-pentanol?

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• What is an Arrhenius base?

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• If methyl orange added to ##"KOH"##, what would be the color of the solution?

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• If 12 ounces of a liquid has a mass of 317 g, what is the density of the liquid in grams per cubic centimeter?

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• Why are chlorides used in flame test?

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• How can I calculate the molar solubility of BaSO4 given a Ksp of 1.07×10−10?

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• What is fission?

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